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isTypedArray.js 735B

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  1. define(['./_setup', './isDataView', './constant', './_isBufferLike'], function (_setup, isDataView, constant, _isBufferLike) {
  2. // Is a given value a typed array?
  3. var typedArrayPattern = /\[object ((I|Ui)nt(8|16|32)|Float(32|64)|Uint8Clamped|Big(I|Ui)nt64)Array\]/;
  4. function isTypedArray(obj) {
  5. // `ArrayBuffer.isView` is the most future-proof, so use it when available.
  6. // Otherwise, fall back on the above regular expression.
  7. return _setup.nativeIsView ? (_setup.nativeIsView(obj) && !isDataView(obj)) :
  8. _isBufferLike(obj) && typedArrayPattern.test(_setup.toString.call(obj));
  9. }
  10. var isTypedArray$1 = _setup.supportsArrayBuffer ? isTypedArray : constant(false);
  11. return isTypedArray$1;
  12. });